1. Department of Obstetrics and Gynecology, Division of Maternal Fetal Medicine, Women & Infants Hospital of Rhode IslandAlpert Medical School of Brown University UnitedStates
2. Department of Pediatrics, Division of Adolescent Medicine, Hasbro Children's HospitalAlpert Medical School of Brown University UnitedStates
3. Department of Obstetrics and Gynecology, Division of Maternal Fetal Medicine, Women & Infants Hospital of Rhode Island